For more than two decades, the so-called mainstream media have preached the dangers of manmade global warming, insisting American businesses and consumers must make massive economic sacrifices to ward off a global climate catastrophe. Not even last November's exposure of e-mails from leading scientists on the alarmist side of the debate — showing them conniving to fudge or suppress data, discredit critics and distort the peer review process — has caused journalists to finally take a skeptical approach to radical environmentalists' doomsaying.

A new study from the MRC's Business & Media Institute documents how ABC, CBS and NBC have been just as strident in their advocacy in the months following "ClimateGate" as they were in the 20 years that preceded the scandal. At the same time, a review of the Media Research Center's archives going back to the late 1980s shows just how strongly reporters have pushed the liberal line on global warming. Here are just some of the many examples